@article{oai:minpaku.repo.nii.ac.jp:00003455,
 author = {Dumond, Don E.},
 journal = {Senri Ethnological Studies},
 month = {Mar},
 pages = {23--47},
 title = {A Chronology of Native Alaskan Subsistence Systems},
 volume = {4},
 year = {1980}
}